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Finding the Fourth Proportional to 2,335.77, 3,499.61 and 1,786.32

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Solution

The fourth proportional to 2,335.77, 3,499.61 and 1,786.32 is: 2,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.77 : 3,499.61 = 1,786.32 : x
  2. Step 2: Convert to fraction form
    2,335.77/3,499.61 = 1,786.32/x
  3. Step 3: Cross multiply
    2,335.77x = 3,499.61 × 1,786.32
  4. Step 4: Simplify right side
    2,335.77x = 6,251,414.40
  5. Step 5: Solve for x
    x = 6,251,414.40/2,335.77
  6. Step 6: Final answer
    x = 2,676.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.